Figure 7 from Thermonuclear .Ia Supernovae from Helium Shell Detonations: Explosion Models and Observables

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Thermonuclear .Ia Supernovae from Helium Shell Detonations: Explosion Models and Observables

Authors: Ken J. Shen, Dan Kasen, Nevin N. Weinberg, Lars Bildsten, and Evan Scannapieco

SHEN et al. 2010 The Astrophysical Journal 715 767.

Provider: AAS Journals

Caption: Figure 7.

Optical spectra for the 0.6 + 0.2 M _☉ model at −5, +0, +5, and +10 days with respect to B-band maximum, which occurs 8 days after explosion. The spectra are dominated by Ti ii features, along with the Ca ii H and K and IR lines and a short-lived Cr ii feature near 4600 Å. The lack of Si ii features is also a notable signature.

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